Malicious PDF — malware analysis report

Static analysis result for SHA-256 4455131a32d3a551…

MALICIOUS

PDF

362.4 KB Created: 2022-03-02 08:55:43 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-10
MD5: c229ae830915277be1cb3d8a9ec300e1 SHA-1: c3e098a44ee288b9586e33883851499b875d0816 SHA-256: 4455131a32d3a55181224e7579cdac9e253a68060f23f162c01e955031ced97c
174 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7135

Heuristics 7

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://podar.co.za/XSRYdR1H?utm_term=who+viewed+my+profile+apk+full+version PDF link annotation
    • http://kenshopvn.com/uploads/files/pasajunefoberijutebij.pdfIn PDF document text
    • https://borekwlkp.halpress.eu/userfiles/file/surux.pdfIn PDF document text
    • http://exdebt.bg/userfiles/file/31134871045.pdfIn PDF document text
    • http://turhantur.com/turhantur/files/jidego.pdfIn PDF document text
    • http://eko-gospodarstwo.eu/files/file/wunexafubugadov.pdfIn PDF document text
    • http://turinhotelcompany.com/userfiles/files/wobupufaxifuniw.pdfIn PDF document text
    • http://studioaba.net/userfiles/files/jomidi.pdfIn PDF document text
    • http://ed-union05.ru/files/file/57206420017.pdfIn PDF document text
    • https://stichtingech.org/ckfinder/userfiles/files/suburamedosogolepa.pdfIn PDF document text
    • http://www.restaurantegrellada.com/adminc/kcfinder/upload/files/vijezi.pdfIn PDF document text
    • https://pgp-puh.hr/fck_media/file/5155954533.pdfIn PDF document text
    • http://www.pavimentosyreformasferlu.es/ckfinder/userfiles/files/25793490217.pdfIn PDF document text
    • https://www.aatae.pt/backoffice/assets/js/kcfinder/upload/files/29661149383.pdfIn PDF document text
    • http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/e38e0dcc2d593b471b32f097193e0e81/nitapafotubag.pdfIn PDF document text
    • https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/1621bfb49082f8---sajojatatojinuvanuma.pdfIn PDF document text
    • https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/161ff7eb2a9b22---vojojoxa.pdfIn PDF document text
    • http://www.nbaindia.nic.in/includes/ckeditor/plugins/kcfinder/upload/files/kazelilolewowazirefu.pdfIn PDF document text
    • http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/161fdd8e246117---tebafumune.pdfIn PDF document text
    • http://lorichphoto.com/pictures/file/xeletezugupefobabibanotaj.pdfIn PDF document text
    • http://web-news.eu/www/pkpar/userfiles/file/xugegoko.pdfIn PDF document text
    • http://texinpack.com/uploadfile/file///2022022714073030.pdfIn PDF document text
    • http://full814.com/upload/files/gelupuretenuxapuxage.pdfIn PDF document text
    • https://domainedulacstellan.com/admin/kcfinder/upload/files/83047372640.pdfIn PDF document text
    • http://tjp2-hotlink-j3t.com/contents/files/jefeterezi.pdfIn PDF document text
    • http://mirograd.com/img/file/sirorepu.pdfIn PDF document text
    • https://actionalbertafoundationrepair.com/nbloom/fckuploads/file/82223385656.pdfIn PDF document text
    • https://unicon-msk.ru/data/files/jiloniwibuxuwoxoponu.pdfIn PDF document text
    • https://megashina24.ru/files/files/pejesupulavov.pdfIn PDF document text
    • https://marlschuz.com/userfiles/files/zotuzewetukokotofezuzag.pdfIn PDF document text
    • http://www.northern-japan.com/image/upload/File/raratikafadevaxebolusu.pdfIn PDF document text
    • http://columb-sklep.pl/userfiles/file/gusuzupawedo.pdfIn PDF document text
    • http://www.klimavill.com/data/editorfile/92370336817.pdfIn PDF document text
    • https://timavoshipsupply.it/userfiles/file/72296861670.pdfIn PDF document text
    • http://urbanconstructions.org/images/uploadedimages/file/3385468202.pdfIn PDF document text
    • http://briztravel.com/upload/files/50082188272.pdfIn PDF document text
    • https://dpmptsp.pemkomedan.go.id/dpmptspwebaplikasi/libraries/ckeditor/kcfinder/upload/files/wuvujivelute.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005355e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5355E 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_01_sfnt_off00054c79.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x54C79 19724 bytes
SHA-256: f42c8ce3588aea8e9fee9a483ed6cbece1022fcd02ee4651d0f7044d211d834c
font_02_sfnt_off00058031.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x58031 11116 bytes
SHA-256: c42ef5aaa2f80bb41fc80b6b80ba892b39a0e05620ee6144b807606a6b458e76